Unsupported Key Type Found The Default Tgt: 18

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Your machine has a hostname, but the service principal is a /_HOST wildcard and the hostname is not one there's an entry in the keytab for. We have added Trusted Kerberos Realms in cloudera manager, and restarted the cluster. The caller may have been logged in, but its kerberos token has expired, so its authentication headers are not considered valid any more. Hadoop, Falcon, Atlas, Sqoop, Flume, Kafka, Pig, Hive, HBase, Accumulo, Storm, Solr, Spark, Ranger, Knox, Ambari, ZooKeeper, Oozie and the Hadoop elephant logo are trademarks of the Apache Software Foundation. Check This Out

Some of the possible causes The wrong keytab was specified. share|improve this answer answered Nov 23 '15 at 12:37 Krishna Kumar Chourasiya 515617 This example is brilliant and just worked for us. Refer to the following troubleshooting techniques The error "No valid credentials provided" is the default error string returned by Hadoop fs command when Kerberos authentication fails. To better understand which step Browse other questions tagged java spring mongodb spring-mvc spring-security-kerberos or ask your own question.

Unsupported Key Type Found The Default Tgt: 18

Introduction Intro from https://access.redhat.com/documentation/en-US/Red_Hat_E... If you see this connection, work out which service it was trying to talk to —and look in its logs instead. As a result, the native TGT obtained on Windows has an "empty" session key and null EType.

asked 1 year ago viewed 6594 times active 26 days ago Linked 8 Accessing hive metastore using jdbc with kerberos keytab Related 32Spring MVC 3 Validation - Unable to find a You can examine the Kerberos tickets currently in your credentials cache by running the klist command. Documentation for other versions is available at Cloudera Documentation. Negotiate Authentication Error: No Valid Credentials Provided Skip to content Ignore Learn more Please note that GitHub no longer supports old versions of Firefox.

Privacy Policy | Terms of Service Anonymous Login Create Ask a question Post Idea Add Repo Create SupportKB Create Article Tracks Community Help Cloud & Operations CyberSecurity DS, Analytics & Spark Kinit: Ticket Expired While Renewing Credentials Step 17: Verify that Kerberos Security is Working After you have Kerberos credentials, you can verify that Kerberos security is working on your cluster by trying to run MapReduce jobs. Terms Privacy Security Status Help You can't perform that action at this time. Is there any way to take stable Long exposure photos without using Tripod?

Gradle Mechanism Level: Failed To Find Any Kerberos Tgt

Share Clone via HTTPS Clone with Git or checkout with SVN using the repository's web address. I.e the GSS code looks at the current thread's security manager for the Subject which is registered via the Subject:doAs method, and then uses the credentials from this subject. Unsupported Key Type Found The Default Tgt: 18 Cause 2: If you are using the keytab to get the key (e.g., by setting the useKeyTab option to true in the Krb5LoginModule entry in the JAAS login configuration file), then No Valid Credentials Provided Mechanism Level Server Not Found In Kerberos Database 7 You can obtain a ticket by running the kinit command and either specifying a keytab file containing credentials, or entering the password for your principal.

Workaround: don't use those versions of Java. Hive Jdbc Gss Initiate Failed Reload to refresh your session. You can get around it by setting javax.security.auth.useSubjectCredsOnly=false which means if no credentials can be found, some default names in the jaas file will be searched for see http://grepcode.com/file/repository.grepcode.com/java/root/jdk/openjdk/6-b14/sun/security/jgss/LoginConfigImpl.java#92, one is

Failure to set this value can lead to unexpected results.

Kerberos is fussy about networking; the Hadoop services have to initialize Kerberos before doing any other work. create hdfs principal via kadmin: addprinc hdfs@HADOOP-PG2. I am accessing this mongodb server from Java web application. Error Transport.tsasltransport: Sasl Negotiation Failure This example shows why errors reported as Kerberos problems, be they from the Hadoop stack or in the OS/Java code underneath, are not always Kerberos problems.

This is now acknowledged by Oracle and has been fixed in 8u60. enable Kerberos debug output and try to run 4. Solution: Synchronize the clocks (or have a system administrator do so). navigate here Switching kerberos to use TCP rather than UDP makes it go away In /etc/krb5.conf: [libdefaults] udp_preference_limit = 1 Note also UDP is a lot slower to time out.

Applications can select the desired encryption type by specifying following tags in the Kerberos Configuration file krb5.conf: [libdefaults] default_tkt_enctypes = des-cbc-md5 des-cbc-crc des3-cbc-sha1 default_tgs_enctypes = des-cbc-md5 des-cbc-crc des3-cbc-sha1 permitted_enctypes = des-cbc-md5 Server not found in Kerberos database (7) or service ticket not found in the subject DNS is a mess and your machine does not know its own name. The hostname of the KDC is wrong The IP address of the KDC is wrong There's nothing at the far end listening for requests. During service startup java.lang.RuntimeException: Could not resolve Kerberos principal name: + unknown error This something which can arise in the logs of a service.

Request is a replay (34)) The destination thinks the caller is attempting some kind of replay attack The KDC is seeing too many attempts by the caller to authenticate as a Can you please post the detail steps? Impala JDBC with username & password Does not work... Encryption type AES256 CTS mode with HMAC SHA1-96 is not supported/enabled [javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: Failure unspecified at GSS-API level (Mechanism level: Encryption type AES256 CTS mode with

After reading some doc's and sites I verified that I have installed the Java security jar's and that the krbtgt principal doesn't have the attribute "requires_preauth".Problem:=======execution ofsudo -u hdfs hadoop dfs